Phosphorus Valence Electrons and Bonds

The video tutorial explains the PF6- Lewis structure, starting with the valence electrons of Phosphorus and Fluorine. It details the process of constructing the structure by placing Phosphorus at the center and surrounding it with six Fluorines, forming bonds and completing octets. The tutorial highlights the concept of an expanded octet, allowing Phosphorus to hold more than eight valence electrons. It concludes with a discussion on the formal charge of Phosphorus, which is -1, aligning with the overall negative charge of the ion.

How many valence electrons does Phosphorus have?

• 3

• 5

• 7

• 9

What is the total number of valence electrons in the PF6- ion?

• 60

• 54

• 48

• 42

How many chemical bonds are formed between Phosphorus and Fluorine in PF6-?

• 7

• 5

• 6

• 4

What is the significance of Phosphorus being below Period 2 in the periodic table?

• It has fewer valence electrons.

• It is more electronegative.

• It can have an expanded octet.

• It can form more than one bond.

How many valence electrons does Phosphorus hold in the PF6- structure?

• 10

• 8

• 12

• 14

What is the formal charge of Phosphorus in the PF6- ion?

• +1

• -1

• -2

• 0